: Frank Reagan (Tom Selleck) launches an investigation after his family is targeted by protesters. The demonstrations escalate to the point where Henry (Len Cariou) is accosted while out with friends, leading Frank to realize the protesters were sent specifically to force him to disband a controversial NYPD unit.
: Director Vance (Rocky Carroll) and Agent Fornell (Joe Spano) travel to London as part of a hunt for an escaped British spy. Their investigation reveals a mole within the operation. [S13E5] Homefront
In this Blue Bloods Wiki entry, the Reagan family faces intense pressure from both the public and within the justice system. : Frank Reagan (Tom Selleck) launches an investigation
: Gibbs (Mark Harmon) investigates a home invasion foiled by 14-year-old Henry Marshall. Gibbs suspects the boy is hiding details, eventually discovering that a corrupt police officer provided the boy's home address to the intruders. Their investigation reveals a mole within the operation
: The episode features First Lady Michelle Obama, who welcomes Gibbs and a Marine's wife to the White House for a "Joining Forces" roundtable.
: Officer Eddie Janko (Vanessa Ray) lands in trouble after defying a direct order from her captain. She chooses to investigate a kidnapping lead on her own, ultimately finding a missing girl whom the primary detective had overlooked. NCIS : Season 13, Episode 22 – "Homefront"